The answer to your questions are......
1.
B. 8........(8 + 7)(8 - 8) = 0
C. -7........(-7 + 7)(-7 - 8) = 0
2.
A. 1/3.......(3*1/3 - 1)(5*1/3 + 20) = 0
C. -4.......(3*-4 - 1)(5*-4 + 20) = 0
Hope this helps! :)
The volume of a cone is 1/3 the volume of a cylinder that perfectly encloses it.
So, the volume of a cone that fits perfectly inside the can is 15/3 = 5.
130-104=26
26/130=0.2
0.2=20%
Tomas will get a 20% discount if he buys the bat.